56 Cards in this Set

Potential energy is the stored energy of position possessed by an object.

KINETIC ENERGY

The energy of motion.
An object which has motion
has kinetic energy.
Two variables:
the mass (m) of the object
and the speed (v) of the object

CHEMICAL
ENERGY

Potential Energy related to the breaking and forming of chemical bonds

ACTIVATION ENERGY

The minimum energy necessary for a specific chemical reaction to occur. The activation energy of a reaction is usually denoted by Ea.

PHYSICAL CHANGE

1. A change in the physical
state of a substance.
2. The substance can
be retrieved.
3. Caused by latent
heat energy.

CHEMICAL
CHANGE

1. Process where matter is changed from one substance to another.
2. Cannot be retrieved.
3. Described in a chemical equation
HCl + NaOH -----H2O=NaCl
"reactants" "products"
(left side reactants)
(right side products)